“I felt like some of her precociousness and her maturation over the course of the film really only made sense for a kid that was actually that young,” director Dean Fleischer Camp says.

Disney’s Lilo & Stitch is crushing Memorial Day weekend box office records while Tom Cruise’s Mission: Impossible – The Final Reckoning is running in a distant second.

Lilo & Stitch grossed a huge $14.5 million in previews, the largest preview gross of the year to date and a Memorial Day record for Disney’s live-action studio after besting The Little Mermaid ($10.3...